Mu ruzinduko rw’akazi yagiriye muri Chad, Minisitiri w’Ububanyi n’Amahanga n’Ubutwererane, Olivier Nduhungirehe, wari Intumwa Idasanzwe ya Perezida wa Repubulika y’u Rwanda Paul Kagame, yakiriwe mu biro bya Perezida wa Chad, Maréchal Mahamat Idriss Déby Itno.